Finding the Fourth Proportional to 427,411.89, 589,834.71 and 236,424.42

Step by Step Solution

1. Step 1: Write the proportion equation
   427,411.89 : 589,834.71 = 236,424.42 : x
2. Step 2: Convert to fraction form
   427,411.89/589,834.71 = 236,424.42/x
3. Step 3: Cross multiply
   427,411.89x = 589,834.71 × 236,424.42
4. Step 4: Simplify right side
   427,411.89x = 139,451,329,207.62
5. Step 5: Solve for x
   x = 139,451,329,207.62/427,411.89
6. Step 6: Final answer
   x = 326,269.19